GfK Chart-Track's list of the 20 bestselling full-price PC entertainment titles in the U.K. shows Diablo III jumping into the number one position previously held by this week's number five game, Max Payne 3. The new entry this week is at number four is (are?) Katy Perry's Sweet Treats for The Sims 3. The full-price all-platforms chart has one new entry in the top 10: The new Game of Thrones RPG debuts at number six, after joining the PC chart at #12.